"renewal period" means the period prescribed by rule 37 or 38 for the payment of a renewal fee unless a renewal fee is payable by virtue of section 77(5A), in which case in this rule and in rules 39 and 41 "renewal period" means the period in which the fee is payable under section 77(5A) and rule 41A1.

(2) If the renewal fee is not paid before the end of the renewal period, the patent shall cease to have effect2-

(a) where the renewal fee is payable by virtue of section 77(5A), at the end of the final day of the renewal period;

(b) in any other case, at the end of the renewal date.

(3) Patents Form 12 must be filed before the end of the renewal period.
(4) But where payment is made under section 25(4) or section 28(3), Patents Form 12 must accompany the renewal fee and the prescribed additional fee.
(5) On receipt of the renewal fee the comptroller must issue a certificate of payment.

Footnotes

1. As amended The Patents (Amendment)(No.2) Rules by SI 2014 No. 2401 from 1 October 2014.

2. As amended The Patents (Amendment)(No.2) Rules by SI 2014 No. 2401 from 1 October 2014.